---
type: threshold
id: azinphos-methyl-o-o-dimethyl-s-4-oxo-1-2-3-benzotriazin-3-4h-ylmethyl-phosphorod
asset: workplace-exposure-limits
title: "Azinphos methyl; o,o-dimethyl S-(4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl) phosphorodithioate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "86500 | S | Azinphos methyl; o,o-dimethyl S-(4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl) phosphorodithioate | -- | 0.2"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Azinphos methyl; o,o-dimethyl S-(4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl) phosphorodithioate"
pel_mgm3: "0.2"
verified: true
---
**Substance:** Azinphos methyl; o,o-dimethyl S-(4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl) phosphorodithioate

**PEL (mg/m³):** 0.2

> 86500 | S | Azinphos methyl; o,o-dimethyl S-(4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl) phosphorodithioate | -- | 0.2

Source: <https://www.dir.ca.gov/title8/5155.html>